C. sapidus
Abundance and Distribution of Early Life Stage Blue Crabs (Callinectes sapidus) in Lake Pontchartrain
... Low C. sapidus density during those months possibly resulted because this cohort of ...C. sapidus either grew and moved away from shallow habitat, were subjected to predation, or better ...
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The importance of color in mate choice of the blue crab Callinectes sapidus
... Previous work on blue crab visual behavior is limited, although the species is known to be an excellent visual predator – catching fish, stalking fiddler crabs and even burying itself up to its eyes to ambush a prey item ...
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Na++K+ ATPase in gills of the blue crab Callinectes sapidus: cDNA sequencing and salinity related expression of α subunit mRNA and protein
... The α-subunit protein was identified in C. sapidus gills by western blotting of partially purified plasma membrane proteins separated by SDS–polyacrylamide gel electrophoresis. The α5 antibody detected a ...
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Effects of molting on the visual acuity of the blue crab, Callinectes sapidus
... Callinectes sapidus Rathbun 1896, has large, stalked apposition compound eyes with a minimum inter-ommatidial angle of approximately ...that C. sapidus is able to discern blue, yellow and red ...
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The smell of moulting: N acetylglucosamino 1,5 lactone is a premoult biomarker and candidate component of the courtship pheromone in the urine of the blue crab, Callinectes sapidus
... Courtship consists of two behaviours. One is courtship stationary paddling [see movies 1A and 1B in supplementary material of Kamio et al. (Kamio et al., 2008)]. This behaviour involves raising the swimming legs ...
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Metabolic influences of fiber size in aerobic and anaerobic locomotor muscles of the blue crab, Callinectes sapidus
... muscles, C. sapidus also have smaller bundles of mitochondria-rich, dark fibers that power aerobic swimming (Tse et ...in C. sapidus causes white locomotor muscle fibers to become giant (Boyle ...
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Aquatic versus terrestrial crab skeletal support: morphology, mechanics, molting and scaling
... of C. sapidus, and a 65-fold increase for ...aquatic C. sapidus, other than possibly to provide greater resistance to larger muscle contraction forces or being a requisite for maintaining the ...
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Integrated physiological responses to feeding in the blue crab Callinectes sapidus
... paddle crab Ovalipes catharus can take as little as 15 s to fill its stomach (Haddon and Wear, 1987). After 1–2 h, material was visible in the midgut (Fig. 2A); similar values were reported for Metapenaeus bennettae ...
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A comparison of the gill physiology of two euryhaline crab species, Callinectes sapidus and Callinectes similis: energy production, transport related enzymes and osmoregulation as a function of acclimation salinity
... response to low-salinity acclimation (Neufeld et al. 1980), indicating that ion-pumping activity occurs in these gills as well. In the present study, no significant differences in oxygen consumption rate and ...
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Environmentally mediated carbonic anhydrase induction in the gills of euryhaline crustaceans
... A significant percentage of the total intracellular osmotic concentration in crustacean tissues is made up of small organic molecules, primarily non-protein free amino acids (FAAs; e.g. Henry, 1995). During acclimation ...
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The effect of salinity and temperature on survival and metamorphosis of megalops of the blue crabCallinectes sapidus
... Thus, it should be possible to maintain the megalops under different environmental conditions and, from the survival and time required for development to the crab, [r] ...
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Acid Base Balance in Callinectes Sapidus During Acclimation from High to Low Salinity
... It is suggested that the change in blood acidbase status with salinity is related to an increase in the strong ion difference, which changes during the transition from osmoconformity to [r] ...
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Glucose Transport by the In Vitro Perfused Midgut of the Blue Crab, Callinectes Sapidus
... In another series of experiments, variation of unidirectional serosal to mucosal flux with serosal glucose concentration was studied by exposing the tissue sequentially to salines of the[r] ...
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POST MOULT CALCIFICATION IN THE BLUE CRAB, CALLINECTES SAPIDUS: TIMING AND MECHANISM
... Gill assays For the studies of calcium uptake by isolated gill slices, the sixth and seventh gills were quickly dissected free from freshly killed crabs and immediately placed in a shall[r] ...
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A minimal growth medium for the basidiomycete Pleurotus sapidus for metabolic flux analysis
... P. sapidus in submerged cultures. As P. sapidus grew extremely slow in salt medium, the co-utilization of amino acids using 13 C-labelled glucose was investigated by gas chromatography – mass ...
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Isolation and characterization of Astaxanthin from Portunus sanguinolentus (Three spotted crab), Callinectes sapidus (Blue crab) and Paralithodes brevipes (Spiny king crab)
... The pigment astaxanthin isolated from the three varieties of crabs was confirmed by analyzing the functional group using FT-IR techniques. Hydroxyl group (OH) and ketone group (C=O) are the major group used for ...
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Temperature and the Physiology of Intracellular and Extracellular Acid Base Regulation in the Blue Crab Callinectes Sapidus
... Acute temperature change study Extracellular and whole body intracellular acid-base, status and acidic equivalent flux to the environment were followed in 20°C-acclimated crabs N = 10 su[r] ...
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The Site of Impulse Initiation in Bipolar Receptor Neurons of Callinectes Sapidus L
... Quite possibly there are two populations of cells: in one group the spike trigger zone is electrically close to the soma so that hyperpolarization of the soma can spread far enough into [r] ...
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EFFECT OF THE EXTERNAL CONCENTRATION OF CALCIUM ON THE POSTMOULT UPTAKE OF CALCIUM IN BLUE CRABS (CALLINECTES SAPIDUS)
... fluxes in a crab by determining the changes in calcium concentration and pH over a period of time in a closed volume of water. The temperature of the bath water was regulated at 20 ˚C for all flux measurements. We ...
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Short Communication: Urate does not Accumulate in the Haemolymph of Exercised Blue Crabs, Calunectes Sapidus
... The effect of ambient oxygen and temperature on haemolymph L-lactate and urate concentrations in the shore crab Carcinus maenas.. AND TRUCHOT, J.-P.[r] ...
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